html,body {
  margin: 0;
  padding: 0;
  height: 100%;
}
/*滑动条宽度*/

  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
    background-color: #e4e4e4;
    border-radius: 6px;
  }
  /*滑动条滑块*/
  ::-webkit-scrollbar-thumb {
    background-color: #a1a3a9;
    border-radius: 6px;
  }
